2DV RANS-VOF MODELLING OF DEPTHS AND VELOCITIES OF OVERTOPPING WAVES AT OVERWASHED DIKES

Andrea Natalia Raosa; Barbara Zanuttigh; Javier Lopez Lara; Steven Hughes

doi:10.9753/icce.v33.waves.62

No. 33 (2012), Waves

No. 33 (2012)

2DV RANS-VOF MODELLING OF DEPTHS AND VELOCITIES OF OVERTOPPING WAVES AT OVERWASHED DIKES

Waves

https://doi.org/10.9753/icce.v33.waves.62

Published 2012-10-25

Andrea Natalia Raosa
Barbara Zanuttigh
Javier Lopez Lara
Steven Hughes

Andrea Natalia Raosa

Barbara Zanuttigh

Javier Lopez Lara

Steven Hughes

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Keywords

overwashed dikes
real wave overtopping
numerical simulations
experiments
RANS-VOF model

How to Cite

Raosa, A. N., Zanuttigh, B., Lopez Lara, J., & Hughes, S. (2012). 2DV RANS-VOF MODELLING OF DEPTHS AND VELOCITIES OF OVERTOPPING WAVES AT OVERWASHED DIKES. Coastal Engineering Proceedings, 1(33), waves.62. https://doi.org/10.9753/icce.v33.waves.62

Abstract

The purpose of this contribution is the representation of real wave overtopping over sea dikes with the Rans-Vof code (IH-2VOF) developed by the University of Cantabria. More specific objectives are: to identify the real capacity of the IH-2VOF model in the prediction of overflow and to determinate the accuracy of these predictions in order to provide designers with a generally applicable methodology to use the code. The model is validated against experimental tests conducted by Hughes at the U.S. Army Engineer Research and Development Center (ERDC). This analysis shows that the model tends to overestimate wave reflection and better results are obtained by introducing a porous layer around the structure as artificial way to reduce reflected wave energy.

https://doi.org/10.9753/icce.v33.waves.62

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References

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2DV RANS-VOF MODELLING OF DEPTHS AND VELOCITIES OF OVERTOPPING WAVES AT OVERWASHED DIKES

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